Healthcare provider profile · identity verified

William Robert Loesch, M.D.

Internal Medicine · BRENHAM, TX · NPI 1225296437

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	1330	357
Amlodipine Besylate	Amlodipine Besylate	811	233
Levothyroxine Sodium	Levothyroxine Sodium	672	166
Lisinopril	Lisinopril	659	187
Losartan Potassium	Losartan Potassium	530	148
Pantoprazole Sodium	Pantoprazole Sodium	502	138
Metformin Hcl Er	Metformin Hcl	443	126
Hydrochlorothiazide	Hydrochlorothiazide	365	114
Sertraline Hcl	Sertraline Hcl	365	104
Gabapentin	Gabapentin	352	101
Metoprolol Succinate	Metoprolol Succinate	332	94
Rosuvastatin Calcium	Rosuvastatin Calcium	317	107
Potassium Chloride	Potassium Chloride	310	83
Tramadol Hcl	Tramadol Hcl	305	85
Simvastatin	Simvastatin	297	82
Eliquis	Apixaban	291	68
Tamsulosin Hcl	Tamsulosin Hcl	288	82
Fluticasone Propionate	Fluticasone Propionate	275	110
Furosemide	Furosemide	268	81
Allopurinol	Allopurinol	265	70
Meloxicam	Meloxicam	261	83
Glipizide Er	Glipizide	256	70
Omeprazole	Omeprazole	254	72
Carvedilol	Carvedilol	240	68
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	232	44
Montelukast Sodium	Montelukast Sodium	223	67
Spironolactone	Spironolactone	213	59
Lorazepam	Lorazepam	200	45
Mounjaro	Tirzepatide	198	32
Trazodone Hcl	Trazodone Hcl	188	61
Jardiance	Empagliflozin	187	41
Trulicity	Dulaglutide	178	25
Fluoxetine Hcl	Fluoxetine Hcl	175	39
Ozempic	Semaglutide	167	30
Clonazepam	Clonazepam	166	24
Olmesartan Medoxomil	Olmesartan Medoxomil	161	42
Tizanidine Hcl	Tizanidine Hcl	152	43
Pregabalin	Pregabalin	149	43
Citalopram Hbr	Citalopram Hydrobromide	143	39
Alendronate Sodium	Alendronate Sodium	139	40
Zolpidem Tartrate	Zolpidem Tartrate	136	38
Metoprolol Tartrate	Metoprolol Tartrate	135	33
Pravastatin Sodium	Pravastatin Sodium	133	44
Cephalexin	Cephalexin	127	85
Clopidogrel	Clopidogrel Bisulfate	126	35
Metformin Hcl	Metformin Hcl	125	35
Duloxetine Hcl	Duloxetine Hcl	124	40
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	123	33
Atenolol	Atenolol	117	31
Escitalopram Oxalate	Escitalopram Oxalate	116	32
Methylprednisolone	Methylprednisolone	116	99
Albuterol Sulfate Hfa	Albuterol Sulfate	115	51
Famotidine	Famotidine	106	38
Hydralazine Hcl	Hydralazine Hcl	103	31
Temazepam	Temazepam	99	17
Mirtazapine	Mirtazapine	97	29
Bupropion Xl	Bupropion Hcl	94	25
Buspirone Hcl	Buspirone Hcl	94	27
Glipizide	Glipizide	91	22
Irbesartan	Irbesartan	90	24
Venlafaxine Hcl Er	Venlafaxine Hcl	86	16
Valsartan	Valsartan	82	26
Dicyclomine Hcl	Dicyclomine Hcl	80	20
Finasteride	Finasteride	80	15
Ezetimibe	Ezetimibe	76	30
Synthroid	Levothyroxine Sodium	71	20
Donepezil Hcl	Donepezil Hcl	67	16
Acetaminophen-Codeine	Acetaminophen With Codeine	65	18
Alprazolam	Alprazolam	65	13
Myrbetriq	Mirabegron	65	14
Oxybutynin Chloride Er	Oxybutynin Chloride	64	18
Prednisone	Prednisone	63	38
Farxiga	Dapagliflozin Propanediol	62	11
Azithromycin	Azithromycin	55	50
Quetiapine Fumarate	Quetiapine Fumarate	55	13
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	51	14
Levetiracetam	Levetiracetam	51	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	50	14
Ramipril	Ramipril	50	13
Ondansetron Hcl	Ondansetron Hcl	49	22
Ondansetron Odt	Ondansetron	48	suppressed
Risperidone	Risperidone	48	12
Azelastine Hcl	Azelastine Hcl	46	13
Esomeprazole Magnesium	Esomeprazole Magnesium	46	17
Etodolac	Etodolac	46	14
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	45	40
Divalproex Sodium Er	Divalproex Sodium	45	suppressed
Estradiol	Estradiol	45	12
Methocarbamol	Methocarbamol	45	16
Triamcinolone Acetonide	Triamcinolone Acetonide	45	27
Verapamil Er	Verapamil Hcl	44	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	43	14
Ciprofloxacin Hcl	Ciprofloxacin Hcl	41	27
Glimepiride	Glimepiride	40	12
Bupropion Hcl Sr	Bupropion Hcl	39	suppressed
Propranolol Hcl	Propranolol Hcl	39	14
Clonidine	Clonidine	38	suppressed
Digoxin	Digoxin	38	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	38	35
Nifedipine Er	Nifedipine	38	13
Diazepam	Diazepam	37	suppressed
Bumetanide	Bumetanide	36	13
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	36	11
Pioglitazone Hcl	Pioglitazone Hcl	35	12
Ropinirole Hcl	Ropinirole Hcl	35	11
Ibuprofen	Ibuprofen	33	11
Paroxetine Hcl	Paroxetine Hcl	33	suppressed
Torsemide	Torsemide	32	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	31	20
Fluconazole	Fluconazole	31	14
Invokana	Canagliflozin	31	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	31	26
Rizatriptan	Rizatriptan Benzoate	31	suppressed
Xarelto	Rivaroxaban	31	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	30	suppressed
Clonidine Hcl	Clonidine Hcl	30	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	30	suppressed
Lovastatin	Lovastatin	30	11
Nortriptyline Hcl	Nortriptyline Hcl	29	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	29	suppressed
Celecoxib	Celecoxib	28	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	28	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	27	suppressed
Breo Ellipta	Fluticasone/Vilanterol	27	suppressed
Propranolol Hcl Er	Propranolol Hcl	27	suppressed
Testosterone Cypionate	Testosterone Cypionate	27	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	27	suppressed
Ventolin Hfa	Albuterol Sulfate	27	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	25	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	24	suppressed
Klor-Con M20	Potassium Chloride	24	suppressed
Terazosin Hcl	Terazosin Hcl	24	suppressed
Valacyclovir	Valacyclovir Hcl	24	15
Enalapril Maleate	Enalapril Maleate	23	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	23	suppressed
Naltrexone Hcl	Naltrexone Hcl	23	suppressed
Primidone	Primidone	23	suppressed
Tramadol Hcl Er	Tramadol Hcl	23	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	22	suppressed
Lamotrigine	Lamotrigine	22	suppressed
Liothyronine Sodium	Liothyronine Sodium	22	suppressed
Mupirocin	Mupirocin	22	16
Benazepril Hcl	Benazepril Hcl	21	suppressed
Cefadroxil	Cefadroxil	21	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	21	suppressed
Olanzapine	Olanzapine	21	suppressed
Solifenacin Succinate	Solifenacin Succinate	21	suppressed
Topiramate	Topiramate	21	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	20	suppressed
Benztropine Mesylate	Benztropine Mesylate	20	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	20	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	20	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	20	suppressed
Humalog Kwikpen U-100	Insulin Lispro	20	suppressed
Ipratropium Bromide	Ipratropium Bromide	20	suppressed
Meclizine Hcl	Meclizine Hcl	20	13
Calcitriol	Calcitriol	19	suppressed
Lactulose	Lactulose	19	suppressed
Memantine Hcl	Memantine Hcl	19	suppressed
Metronidazole	Metronidazole	19	suppressed
Modafinil	Modafinil	19	suppressed
Tresiba Flextouch U-100	Insulin Degludec	19	suppressed
Colchicine	Colchicine	18	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	18	suppressed
Eplerenone	Eplerenone	18	suppressed
Amiodarone Hcl	Amiodarone Hcl	17	suppressed
Aripiprazole	Aripiprazole	17	suppressed
Cefdinir	Cefdinir	17	12
Nebivolol Hcl	Nebivolol Hcl	17	suppressed
Renacidin	Citric Ac/Gluconolact/Mag Carb	17	suppressed
Januvia	Sitagliptin Phosphate	16	suppressed
Minoxidil	Minoxidil	16	suppressed
Premarin	Estrogens, Conjugated	16	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	16	suppressed
Zonisamide	Zonisamide	16	suppressed
Desvenlafaxine Er	Desvenlafaxine	15	suppressed
Dilt-Xr	Diltiazem Hcl	15	suppressed
Lansoprazole	Lansoprazole	15	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	15	suppressed
Tresiba Flextouch U-200	Insulin Degludec	15	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	15	suppressed
Vascepa	Icosapent Ethyl	15	suppressed
Belsomra	Suvorexant	14	suppressed
Bydureon Bcise	Exenatide Microspheres	14	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	14	suppressed
Doxepin Hcl	Doxepin Hcl	14	suppressed
Flecainide Acetate	Flecainide Acetate	14	suppressed
Memantine Hcl Er	Memantine Hcl	14	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Nystatin	Nystatin	14	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	14	suppressed
Raloxifene Hcl	Raloxifene Hcl	14	suppressed
Telmisartan	Telmisartan	14	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	14	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	14	suppressed
Alprazolam Er	Alprazolam	13	suppressed
Armour Thyroid	Thyroid,pork	13	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	13	suppressed
Fentanyl	Fentanyl	13	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	13	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	13	suppressed
Penicillin V Potassium	Penicillin V Potassium	13	suppressed
Spiriva Handihaler	Tiotropium Bromide	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Symbicort	Budesonide/Formoterol Fumarate	13	suppressed
Ulticare Pen Needle	Pen Needle, Diabetic	13	suppressed
Bupropion Hcl	Bupropion Hcl	12	suppressed
Divalproex Sodium	Divalproex Sodium	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Methenamine Hippurate	Methenamine Hippurate	12	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Cabergoline	Cabergoline	11	suppressed
Glyburide	Glyburide	11	suppressed
Labetalol Hcl	Labetalol Hcl	11	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	11	suppressed
Lyrica	Pregabalin	11	suppressed
Nitroglycerin	Nitroglycerin	11	suppressed
Pitavastatin Calcium	Pitavastatin Calcium	11	suppressed
Sucralfate	Sucralfate	11	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	11	suppressed
Vancomycin Hcl	Vancomycin Hcl	11	suppressed
Wegovy	Semaglutide	11	suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
CMS Open Payments — General Payments	2025	2026-06-30	Original source
Medicare Part D Prescribers by Provider and Drug	2024	2026-05-06	Original source
NPPES Data Dissemination V2	current / reference data	2026-08-10	Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error